Home / 312,192.12-430,825.13-168,952.20

Finding the Fourth Proportional to 312,192.12, 430,825.13 and 168,952.20

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Solution

The fourth proportional to 312,192.12, 430,825.13 and 168,952.20 is: 233,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,192.12 : 430,825.13 = 168,952.20 : x
  2. Step 2: Convert to fraction form
    312,192.12/430,825.13 = 168,952.20/x
  3. Step 3: Cross multiply
    312,192.12x = 430,825.13 × 168,952.20
  4. Step 4: Simplify right side
    312,192.12x = 72,788,851,702.00
  5. Step 5: Solve for x
    x = 72,788,851,702.00/312,192.12
  6. Step 6: Final answer
    x = 233,154.03

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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.