Home / 105,024.10-157,536.15-103,641.70

Finding the Fourth Proportional to 105,024.10, 157,536.15 and 103,641.70

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Solution

The fourth proportional to 105,024.10, 157,536.15 and 103,641.70 is: 155,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,024.10 : 157,536.15 = 103,641.70 : x
  2. Step 2: Convert to fraction form
    105,024.10/157,536.15 = 103,641.70/x
  3. Step 3: Cross multiply
    105,024.10x = 157,536.15 × 103,641.70
  4. Step 4: Simplify right side
    105,024.10x = 16,327,314,397.46
  5. Step 5: Solve for x
    x = 16,327,314,397.46/105,024.10
  6. Step 6: Final answer
    x = 155,462.55

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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.