Home / 134,503.22-185,572.56-76,350.28

Finding the Fourth Proportional to 134,503.22, 185,572.56 and 76,350.28

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Solution

The fourth proportional to 134,503.22, 185,572.56 and 76,350.28 is: 105,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,503.22 : 185,572.56 = 76,350.28 : x
  2. Step 2: Convert to fraction form
    134,503.22/185,572.56 = 76,350.28/x
  3. Step 3: Cross multiply
    134,503.22x = 185,572.56 × 76,350.28
  4. Step 4: Simplify right side
    134,503.22x = 14,168,516,916.32
  5. Step 5: Solve for x
    x = 14,168,516,916.32/134,503.22
  6. Step 6: Final answer
    x = 105,339.61

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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.