Home / 157,077.30-235,615.95-140,018.70

Finding the Fourth Proportional to 157,077.30, 235,615.95 and 140,018.70

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Solution

The fourth proportional to 157,077.30, 235,615.95 and 140,018.70 is: 210,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,077.30 : 235,615.95 = 140,018.70 : x
  2. Step 2: Convert to fraction form
    157,077.30/235,615.95 = 140,018.70/x
  3. Step 3: Cross multiply
    157,077.30x = 235,615.95 × 140,018.70
  4. Step 4: Simplify right side
    157,077.30x = 32,990,639,018.27
  5. Step 5: Solve for x
    x = 32,990,639,018.27/157,077.30
  6. Step 6: Final answer
    x = 210,028.05

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1.5x scale

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.