Home / 126,528.18-174,602.07-69,936.18

Finding the Fourth Proportional to 126,528.18, 174,602.07 and 69,936.18

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Solution

The fourth proportional to 126,528.18, 174,602.07 and 69,936.18 is: 96,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528.18 : 174,602.07 = 69,936.18 : x
  2. Step 2: Convert to fraction form
    126,528.18/174,602.07 = 69,936.18/x
  3. Step 3: Cross multiply
    126,528.18x = 174,602.07 × 69,936.18
  4. Step 4: Simplify right side
    126,528.18x = 12,211,001,795.89
  5. Step 5: Solve for x
    x = 12,211,001,795.89/126,528.18
  6. Step 6: Final answer
    x = 96,508.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.