Home / 157,923.76-217,929.72-86,303.56

Finding the Fourth Proportional to 157,923.76, 217,929.72 and 86,303.56

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Solution

The fourth proportional to 157,923.76, 217,929.72 and 86,303.56 is: 119,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,923.76 : 217,929.72 = 86,303.56 : x
  2. Step 2: Convert to fraction form
    157,923.76/217,929.72 = 86,303.56/x
  3. Step 3: Cross multiply
    157,923.76x = 217,929.72 × 86,303.56
  4. Step 4: Simplify right side
    157,923.76x = 18,808,110,665.80
  5. Step 5: Solve for x
    x = 18,808,110,665.80/157,923.76
  6. Step 6: Final answer
    x = 119,096.14

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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.