Home / 130,918.07-180,655.85-73,552.91

Finding the Fourth Proportional to 130,918.07, 180,655.85 and 73,552.91

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Solution

The fourth proportional to 130,918.07, 180,655.85 and 73,552.91 is: 101,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,918.07 : 180,655.85 = 73,552.91 : x
  2. Step 2: Convert to fraction form
    130,918.07/180,655.85 = 73,552.91/x
  3. Step 3: Cross multiply
    130,918.07x = 180,655.85 × 73,552.91
  4. Step 4: Simplify right side
    130,918.07x = 13,287,762,756.63
  5. Step 5: Solve for x
    x = 13,287,762,756.63/130,918.07
  6. Step 6: Final answer
    x = 101,496.78

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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.