Home / 160,281.32-221,188.67-88,661.34

Finding the Fourth Proportional to 160,281.32, 221,188.67 and 88,661.34

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Solution

The fourth proportional to 160,281.32, 221,188.67 and 88,661.34 is: 122,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,281.32 : 221,188.67 = 88,661.34 : x
  2. Step 2: Convert to fraction form
    160,281.32/221,188.67 = 88,661.34/x
  3. Step 3: Cross multiply
    160,281.32x = 221,188.67 × 88,661.34
  4. Step 4: Simplify right side
    160,281.32x = 19,610,884,873.19
  5. Step 5: Solve for x
    x = 19,610,884,873.19/160,281.32
  6. Step 6: Final answer
    x = 122,352.90

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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.