Home / 426,248.04-638,922.24-141,862.14

Finding the Fourth Proportional to 426,248.04, 638,922.24 and 141,862.14

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Solution

The fourth proportional to 426,248.04, 638,922.24 and 141,862.14 is: 212,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,248.04 : 638,922.24 = 141,862.14 : x
  2. Step 2: Convert to fraction form
    426,248.04/638,922.24 = 141,862.14/x
  3. Step 3: Cross multiply
    426,248.04x = 638,922.24 × 141,862.14
  4. Step 4: Simplify right side
    426,248.04x = 90,638,876,259.99
  5. Step 5: Solve for x
    x = 90,638,876,259.99/426,248.04
  6. Step 6: Final answer
    x = 212,643.50

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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.