Home / 160,516.74-221,374.89-100,024.32

Finding the Fourth Proportional to 160,516.74, 221,374.89 and 100,024.32

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Solution

The fourth proportional to 160,516.74, 221,374.89 and 100,024.32 is: 137,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,516.74 : 221,374.89 = 100,024.32 : x
  2. Step 2: Convert to fraction form
    160,516.74/221,374.89 = 100,024.32/x
  3. Step 3: Cross multiply
    160,516.74x = 221,374.89 × 100,024.32
  4. Step 4: Simplify right side
    160,516.74x = 22,142,872,837.32
  5. Step 5: Solve for x
    x = 22,142,872,837.32/160,516.74
  6. Step 6: Final answer
    x = 137,947.44

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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.