Home / 212,129.76-292,740.36-116,637.24

Finding the Fourth Proportional to 212,129.76, 292,740.36 and 116,637.24

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Solution

The fourth proportional to 212,129.76, 292,740.36 and 116,637.24 is: 160,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,129.76 : 292,740.36 = 116,637.24 : x
  2. Step 2: Convert to fraction form
    212,129.76/292,740.36 = 116,637.24/x
  3. Step 3: Cross multiply
    212,129.76x = 292,740.36 × 116,637.24
  4. Step 4: Simplify right side
    212,129.76x = 34,144,427,627.01
  5. Step 5: Solve for x
    x = 34,144,427,627.01/212,129.76
  6. Step 6: Final answer
    x = 160,960.10

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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.