Home / 253,547.18-379,768.10-126,966.66

Finding the Fourth Proportional to 253,547.18, 379,768.10 and 126,966.66

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Solution

The fourth proportional to 253,547.18, 379,768.10 and 126,966.66 is: 190,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,547.18 : 379,768.10 = 126,966.66 : x
  2. Step 2: Convert to fraction form
    253,547.18/379,768.10 = 126,966.66/x
  3. Step 3: Cross multiply
    253,547.18x = 379,768.10 × 126,966.66
  4. Step 4: Simplify right side
    253,547.18x = 48,217,887,231.55
  5. Step 5: Solve for x
    x = 48,217,887,231.55/253,547.18
  6. Step 6: Final answer
    x = 190,173.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.