Home / 369,725.32-554,545.14-103,507.12

Finding the Fourth Proportional to 369,725.32, 554,545.14 and 103,507.12

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Solution

The fourth proportional to 369,725.32, 554,545.14 and 103,507.12 is: 155,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,725.32 : 554,545.14 = 103,507.12 : x
  2. Step 2: Convert to fraction form
    369,725.32/554,545.14 = 103,507.12/x
  3. Step 3: Cross multiply
    369,725.32x = 554,545.14 × 103,507.12
  4. Step 4: Simplify right side
    369,725.32x = 57,399,370,351.40
  5. Step 5: Solve for x
    x = 57,399,370,351.40/369,725.32
  6. Step 6: Final answer
    x = 155,248.69

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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.