Home / 212,154.08-292,752.60-126,106.16

Finding the Fourth Proportional to 212,154.08, 292,752.60 and 126,106.16

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Solution

The fourth proportional to 212,154.08, 292,752.60 and 126,106.16 is: 174,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,154.08 : 292,752.60 = 126,106.16 : x
  2. Step 2: Convert to fraction form
    212,154.08/292,752.60 = 126,106.16/x
  3. Step 3: Cross multiply
    212,154.08x = 292,752.60 × 126,106.16
  4. Step 4: Simplify right side
    212,154.08x = 36,917,906,216.02
  5. Step 5: Solve for x
    x = 36,917,906,216.02/212,154.08
  6. Step 6: Final answer
    x = 174,014.59

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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.