Home / 141,674.08-212,510.40-57,433

Finding the Fourth Proportional to 141,674.08, 212,510.40 and 57,433

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Solution

The fourth proportional to 141,674.08, 212,510.40 and 57,433 is: 86,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,674.08 : 212,510.40 = 57,433 : x
  2. Step 2: Convert to fraction form
    141,674.08/212,510.40 = 57,433/x
  3. Step 3: Cross multiply
    141,674.08x = 212,510.40 × 57,433
  4. Step 4: Simplify right side
    141,674.08x = 12,205,109,803.20
  5. Step 5: Solve for x
    x = 12,205,109,803.20/141,674.08
  6. Step 6: Final answer
    x = 86,149.21

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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.