Home / 134,378.18-185,437.22-73,943.16

Finding the Fourth Proportional to 134,378.18, 185,437.22 and 73,943.16

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Solution

The fourth proportional to 134,378.18, 185,437.22 and 73,943.16 is: 102,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,378.18 : 185,437.22 = 73,943.16 : x
  2. Step 2: Convert to fraction form
    134,378.18/185,437.22 = 73,943.16/x
  3. Step 3: Cross multiply
    134,378.18x = 185,437.22 × 73,943.16
  4. Step 4: Simplify right side
    134,378.18x = 13,711,814,028.42
  5. Step 5: Solve for x
    x = 13,711,814,028.42/134,378.18
  6. Step 6: Final answer
    x = 102,038.99

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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.