Home / 153,897.23-212,466.51-117,311.45

Finding the Fourth Proportional to 153,897.23, 212,466.51 and 117,311.45

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Solution

The fourth proportional to 153,897.23, 212,466.51 and 117,311.45 is: 161,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,897.23 : 212,466.51 = 117,311.45 : x
  2. Step 2: Convert to fraction form
    153,897.23/212,466.51 = 117,311.45/x
  3. Step 3: Cross multiply
    153,897.23x = 212,466.51 × 117,311.45
  4. Step 4: Simplify right side
    153,897.23x = 24,924,753,302.21
  5. Step 5: Solve for x
    x = 24,924,753,302.21/153,897.23
  6. Step 6: Final answer
    x = 161,957.12

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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.