Home / 151,925.46-209,639.25-83,938.38

Finding the Fourth Proportional to 151,925.46, 209,639.25 and 83,938.38

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Solution

The fourth proportional to 151,925.46, 209,639.25 and 83,938.38 is: 115,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,925.46 : 209,639.25 = 83,938.38 : x
  2. Step 2: Convert to fraction form
    151,925.46/209,639.25 = 83,938.38/x
  3. Step 3: Cross multiply
    151,925.46x = 209,639.25 × 83,938.38
  4. Step 4: Simplify right side
    151,925.46x = 17,596,779,029.42
  5. Step 5: Solve for x
    x = 17,596,779,029.42/151,925.46
  6. Step 6: Final answer
    x = 115,825.08

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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.