Home / 113,603.10-170,404.65-38,807.70

Finding the Fourth Proportional to 113,603.10, 170,404.65 and 38,807.70

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Solution

The fourth proportional to 113,603.10, 170,404.65 and 38,807.70 is: 58,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.10 : 170,404.65 = 38,807.70 : x
  2. Step 2: Convert to fraction form
    113,603.10/170,404.65 = 38,807.70/x
  3. Step 3: Cross multiply
    113,603.10x = 170,404.65 × 38,807.70
  4. Step 4: Simplify right side
    113,603.10x = 6,613,012,535.81
  5. Step 5: Solve for x
    x = 6,613,012,535.81/113,603.10
  6. Step 6: Final answer
    x = 58,211.55

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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.