Home / 119,230.84-164,538.02-65,515.70

Finding the Fourth Proportional to 119,230.84, 164,538.02 and 65,515.70

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Solution

The fourth proportional to 119,230.84, 164,538.02 and 65,515.70 is: 90,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,230.84 : 164,538.02 = 65,515.70 : x
  2. Step 2: Convert to fraction form
    119,230.84/164,538.02 = 65,515.70/x
  3. Step 3: Cross multiply
    119,230.84x = 164,538.02 × 65,515.70
  4. Step 4: Simplify right side
    119,230.84x = 10,779,823,556.91
  5. Step 5: Solve for x
    x = 10,779,823,556.91/119,230.84
  6. Step 6: Final answer
    x = 90,411.37

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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.