Home / 124,880.10-187,320.15-110,445.90

Finding the Fourth Proportional to 124,880.10, 187,320.15 and 110,445.90

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Solution

The fourth proportional to 124,880.10, 187,320.15 and 110,445.90 is: 165,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,880.10 : 187,320.15 = 110,445.90 : x
  2. Step 2: Convert to fraction form
    124,880.10/187,320.15 = 110,445.90/x
  3. Step 3: Cross multiply
    124,880.10x = 187,320.15 × 110,445.90
  4. Step 4: Simplify right side
    124,880.10x = 20,688,742,554.89
  5. Step 5: Solve for x
    x = 20,688,742,554.89/124,880.10
  6. Step 6: Final answer
    x = 165,668.85

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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.