Home / 130,763.04-180,445.32-73,397.04

Finding the Fourth Proportional to 130,763.04, 180,445.32 and 73,397.04

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Solution

The fourth proportional to 130,763.04, 180,445.32 and 73,397.04 is: 101,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,763.04 : 180,445.32 = 73,397.04 : x
  2. Step 2: Convert to fraction form
    130,763.04/180,445.32 = 73,397.04/x
  3. Step 3: Cross multiply
    130,763.04x = 180,445.32 × 73,397.04
  4. Step 4: Simplify right side
    130,763.04x = 13,244,152,369.85
  5. Step 5: Solve for x
    x = 13,244,152,369.85/130,763.04
  6. Step 6: Final answer
    x = 101,283.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.