Home / 130,615.90-180,113.07-96,695.53

Finding the Fourth Proportional to 130,615.90, 180,113.07 and 96,695.53

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Solution

The fourth proportional to 130,615.90, 180,113.07 and 96,695.53 is: 133,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,615.90 : 180,113.07 = 96,695.53 : x
  2. Step 2: Convert to fraction form
    130,615.90/180,113.07 = 96,695.53/x
  3. Step 3: Cross multiply
    130,615.90x = 180,113.07 × 96,695.53
  4. Step 4: Simplify right side
    130,615.90x = 17,416,128,763.58
  5. Step 5: Solve for x
    x = 17,416,128,763.58/130,615.90
  6. Step 6: Final answer
    x = 133,338.50

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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.