Home / 134,159.29-185,130.85-73,728.63

Finding the Fourth Proportional to 134,159.29, 185,130.85 and 73,728.63

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Solution

The fourth proportional to 134,159.29, 185,130.85 and 73,728.63 is: 101,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,159.29 : 185,130.85 = 73,728.63 : x
  2. Step 2: Convert to fraction form
    134,159.29/185,130.85 = 73,728.63/x
  3. Step 3: Cross multiply
    134,159.29x = 185,130.85 × 73,728.63
  4. Step 4: Simplify right side
    134,159.29x = 13,649,443,895.16
  5. Step 5: Solve for x
    x = 13,649,443,895.16/134,159.29
  6. Step 6: Final answer
    x = 101,740.58

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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.