Home / 116,284.60-160,490.23-70,988.90

Finding the Fourth Proportional to 116,284.60, 160,490.23 and 70,988.90

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Solution

The fourth proportional to 116,284.60, 160,490.23 and 70,988.90 is: 97,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,284.60 : 160,490.23 = 70,988.90 : x
  2. Step 2: Convert to fraction form
    116,284.60/160,490.23 = 70,988.90/x
  3. Step 3: Cross multiply
    116,284.60x = 160,490.23 × 70,988.90
  4. Step 4: Simplify right side
    116,284.60x = 11,393,023,731.05
  5. Step 5: Solve for x
    x = 11,393,023,731.05/116,284.60
  6. Step 6: Final answer
    x = 97,975.34

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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.