Home / 160,187.46-221,041.70-88,555.92

Finding the Fourth Proportional to 160,187.46, 221,041.70 and 88,555.92

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Solution

The fourth proportional to 160,187.46, 221,041.70 and 88,555.92 is: 122,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,187.46 : 221,041.70 = 88,555.92 : x
  2. Step 2: Convert to fraction form
    160,187.46/221,041.70 = 88,555.92/x
  3. Step 3: Cross multiply
    160,187.46x = 221,041.70 × 88,555.92
  4. Step 4: Simplify right side
    160,187.46x = 19,574,551,101.86
  5. Step 5: Solve for x
    x = 19,574,551,101.86/160,187.46
  6. Step 6: Final answer
    x = 122,197.77

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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.