Home / 153,746.95-212,090.11-125,098.60

Finding the Fourth Proportional to 153,746.95, 212,090.11 and 125,098.60

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Solution

The fourth proportional to 153,746.95, 212,090.11 and 125,098.60 is: 172,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,746.95 : 212,090.11 = 125,098.60 : x
  2. Step 2: Convert to fraction form
    153,746.95/212,090.11 = 125,098.60/x
  3. Step 3: Cross multiply
    153,746.95x = 212,090.11 × 125,098.60
  4. Step 4: Simplify right side
    153,746.95x = 26,532,175,834.85
  5. Step 5: Solve for x
    x = 26,532,175,834.85/153,746.95
  6. Step 6: Final answer
    x = 172,570.42

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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.