Home / 157,189.45-216,887.80-93,514.81

Finding the Fourth Proportional to 157,189.45, 216,887.80 and 93,514.81

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Solution

The fourth proportional to 157,189.45, 216,887.80 and 93,514.81 is: 129,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,189.45 : 216,887.80 = 93,514.81 : x
  2. Step 2: Convert to fraction form
    157,189.45/216,887.80 = 93,514.81/x
  3. Step 3: Cross multiply
    157,189.45x = 216,887.80 × 93,514.81
  4. Step 4: Simplify right side
    157,189.45x = 20,282,219,856.31
  5. Step 5: Solve for x
    x = 20,282,219,856.31/157,189.45
  6. Step 6: Final answer
    x = 129,030.42

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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.