Home / 261,232.06-391,852.95-74,248.42

Finding the Fourth Proportional to 261,232.06, 391,852.95 and 74,248.42

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Solution

The fourth proportional to 261,232.06, 391,852.95 and 74,248.42 is: 111,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,232.06 : 391,852.95 = 74,248.42 : x
  2. Step 2: Convert to fraction form
    261,232.06/391,852.95 = 74,248.42/x
  3. Step 3: Cross multiply
    261,232.06x = 391,852.95 × 74,248.42
  4. Step 4: Simplify right side
    261,232.06x = 29,094,462,409.84
  5. Step 5: Solve for x
    x = 29,094,462,409.84/261,232.06
  6. Step 6: Final answer
    x = 111,374.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.