Home / 130,824.04-180,539.08-73,475.78

Finding the Fourth Proportional to 130,824.04, 180,539.08 and 73,475.78

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Solution

The fourth proportional to 130,824.04, 180,539.08 and 73,475.78 is: 101,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824.04 : 180,539.08 = 73,475.78 : x
  2. Step 2: Convert to fraction form
    130,824.04/180,539.08 = 73,475.78/x
  3. Step 3: Cross multiply
    130,824.04x = 180,539.08 × 73,475.78
  4. Step 4: Simplify right side
    130,824.04x = 13,265,249,723.48
  5. Step 5: Solve for x
    x = 13,265,249,723.48/130,824.04
  6. Step 6: Final answer
    x = 101,397.65

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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.