Home / 116,254.76-160,480.32-78,580.04

Finding the Fourth Proportional to 116,254.76, 160,480.32 and 78,580.04

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Solution

The fourth proportional to 116,254.76, 160,480.32 and 78,580.04 is: 108,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,254.76 : 160,480.32 = 78,580.04 : x
  2. Step 2: Convert to fraction form
    116,254.76/160,480.32 = 78,580.04/x
  3. Step 3: Cross multiply
    116,254.76x = 160,480.32 × 78,580.04
  4. Step 4: Simplify right side
    116,254.76x = 12,610,549,964.81
  5. Step 5: Solve for x
    x = 12,610,549,964.81/116,254.76
  6. Step 6: Final answer
    x = 108,473.41

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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.