Home / 160,152.12-221,008.30-88,528.68

Finding the Fourth Proportional to 160,152.12, 221,008.30 and 88,528.68

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Solution

The fourth proportional to 160,152.12, 221,008.30 and 88,528.68 is: 122,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,152.12 : 221,008.30 = 88,528.68 : x
  2. Step 2: Convert to fraction form
    160,152.12/221,008.30 = 88,528.68/x
  3. Step 3: Cross multiply
    160,152.12x = 221,008.30 × 88,528.68
  4. Step 4: Simplify right side
    160,152.12x = 19,565,573,068.04
  5. Step 5: Solve for x
    x = 19,565,573,068.04/160,152.12
  6. Step 6: Final answer
    x = 122,168.68

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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.