Home / 160,515.74-221,373.51-100,023.32

Finding the Fourth Proportional to 160,515.74, 221,373.51 and 100,023.32

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Solution

The fourth proportional to 160,515.74, 221,373.51 and 100,023.32 is: 137,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,515.74 : 221,373.51 = 100,023.32 : x
  2. Step 2: Convert to fraction form
    160,515.74/221,373.51 = 100,023.32/x
  3. Step 3: Cross multiply
    160,515.74x = 221,373.51 × 100,023.32
  4. Step 4: Simplify right side
    160,515.74x = 22,142,513,608.60
  5. Step 5: Solve for x
    x = 22,142,513,608.60/160,515.74
  6. Step 6: Final answer
    x = 137,946.06

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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.