Home / 119,938.18-165,510.36-66,222.05

Finding the Fourth Proportional to 119,938.18, 165,510.36 and 66,222.05

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Solution

The fourth proportional to 119,938.18, 165,510.36 and 66,222.05 is: 91,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,938.18 : 165,510.36 = 66,222.05 : x
  2. Step 2: Convert to fraction form
    119,938.18/165,510.36 = 66,222.05/x
  3. Step 3: Cross multiply
    119,938.18x = 165,510.36 × 66,222.05
  4. Step 4: Simplify right side
    119,938.18x = 10,960,434,391.45
  5. Step 5: Solve for x
    x = 10,960,434,391.45/119,938.18
  6. Step 6: Final answer
    x = 91,384.03

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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.