Home / 103,658.40-155,488.32-44,444.16

Finding the Fourth Proportional to 103,658.40, 155,488.32 and 44,444.16

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Solution

The fourth proportional to 103,658.40, 155,488.32 and 44,444.16 is: 66,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.40 : 155,488.32 = 44,444.16 : x
  2. Step 2: Convert to fraction form
    103,658.40/155,488.32 = 44,444.16/x
  3. Step 3: Cross multiply
    103,658.40x = 155,488.32 × 44,444.16
  4. Step 4: Simplify right side
    103,658.40x = 6,910,547,772.21
  5. Step 5: Solve for x
    x = 6,910,547,772.21/103,658.40
  6. Step 6: Final answer
    x = 66,666.55

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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.