Home / 116,445.60-160,574.40-86,313.60

Finding the Fourth Proportional to 116,445.60, 160,574.40 and 86,313.60

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Solution

The fourth proportional to 116,445.60, 160,574.40 and 86,313.60 is: 119,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,445.60 : 160,574.40 = 86,313.60 : x
  2. Step 2: Convert to fraction form
    116,445.60/160,574.40 = 86,313.60/x
  3. Step 3: Cross multiply
    116,445.60x = 160,574.40 × 86,313.60
  4. Step 4: Simplify right side
    116,445.60x = 13,859,754,531.84
  5. Step 5: Solve for x
    x = 13,859,754,531.84/116,445.60
  6. Step 6: Final answer
    x = 119,023.43

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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.