Home / 170,031.40-255,047.10-140,482.60

Finding the Fourth Proportional to 170,031.40, 255,047.10 and 140,482.60

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Solution

The fourth proportional to 170,031.40, 255,047.10 and 140,482.60 is: 210,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,031.40 : 255,047.10 = 140,482.60 : x
  2. Step 2: Convert to fraction form
    170,031.40/255,047.10 = 140,482.60/x
  3. Step 3: Cross multiply
    170,031.40x = 255,047.10 × 140,482.60
  4. Step 4: Simplify right side
    170,031.40x = 35,829,679,730.46
  5. Step 5: Solve for x
    x = 35,829,679,730.46/170,031.40
  6. Step 6: Final answer
    x = 210,723.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.