Home / 220,042.40-303,658.62-124,547.18

Finding the Fourth Proportional to 220,042.40, 303,658.62 and 124,547.18

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Solution

The fourth proportional to 220,042.40, 303,658.62 and 124,547.18 is: 171,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,042.40 : 303,658.62 = 124,547.18 : x
  2. Step 2: Convert to fraction form
    220,042.40/303,658.62 = 124,547.18/x
  3. Step 3: Cross multiply
    220,042.40x = 303,658.62 × 124,547.18
  4. Step 4: Simplify right side
    220,042.40x = 37,819,824,803.69
  5. Step 5: Solve for x
    x = 37,819,824,803.69/220,042.40
  6. Step 6: Final answer
    x = 171,875.17

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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.