Home / 116,528.07-160,813.53-65,543.18

Finding the Fourth Proportional to 116,528.07, 160,813.53 and 65,543.18

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Solution

The fourth proportional to 116,528.07, 160,813.53 and 65,543.18 is: 90,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,528.07 : 160,813.53 = 65,543.18 : x
  2. Step 2: Convert to fraction form
    116,528.07/160,813.53 = 65,543.18/x
  3. Step 3: Cross multiply
    116,528.07x = 160,813.53 × 65,543.18
  4. Step 4: Simplify right side
    116,528.07x = 10,540,229,154.82
  5. Step 5: Solve for x
    x = 10,540,229,154.82/116,528.07
  6. Step 6: Final answer
    x = 90,452.28

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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.