Home / 160,248.16-221,138.40-88,626.40

Finding the Fourth Proportional to 160,248.16, 221,138.40 and 88,626.40

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Solution

The fourth proportional to 160,248.16, 221,138.40 and 88,626.40 is: 122,302.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,248.16 : 221,138.40 = 88,626.40 : x
  2. Step 2: Convert to fraction form
    160,248.16/221,138.40 = 88,626.40/x
  3. Step 3: Cross multiply
    160,248.16x = 221,138.40 × 88,626.40
  4. Step 4: Simplify right side
    160,248.16x = 19,598,700,293.76
  5. Step 5: Solve for x
    x = 19,598,700,293.76/160,248.16
  6. Step 6: Final answer
    x = 122,302.19

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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.