Home / 154,500.18-213,041.93-134,177.55

Finding the Fourth Proportional to 154,500.18, 213,041.93 and 134,177.55

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Solution

The fourth proportional to 154,500.18, 213,041.93 and 134,177.55 is: 185,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,500.18 : 213,041.93 = 134,177.55 : x
  2. Step 2: Convert to fraction form
    154,500.18/213,041.93 = 134,177.55/x
  3. Step 3: Cross multiply
    154,500.18x = 213,041.93 × 134,177.55
  4. Step 4: Simplify right side
    154,500.18x = 28,585,443,543.78
  5. Step 5: Solve for x
    x = 28,585,443,543.78/154,500.18
  6. Step 6: Final answer
    x = 185,018.84

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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.