Home / 157,922.32-217,926.60-86,303.20

Finding the Fourth Proportional to 157,922.32, 217,926.60 and 86,303.20

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Solution

The fourth proportional to 157,922.32, 217,926.60 and 86,303.20 is: 119,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,922.32 : 217,926.60 = 86,303.20 : x
  2. Step 2: Convert to fraction form
    157,922.32/217,926.60 = 86,303.20/x
  3. Step 3: Cross multiply
    157,922.32x = 217,926.60 × 86,303.20
  4. Step 4: Simplify right side
    157,922.32x = 18,807,762,945.12
  5. Step 5: Solve for x
    x = 18,807,762,945.12/157,922.32
  6. Step 6: Final answer
    x = 119,095.03

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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.