Home / 124,312.40-186,468.60-35,571.20

Finding the Fourth Proportional to 124,312.40, 186,468.60 and 35,571.20

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Solution

The fourth proportional to 124,312.40, 186,468.60 and 35,571.20 is: 53,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312.40 : 186,468.60 = 35,571.20 : x
  2. Step 2: Convert to fraction form
    124,312.40/186,468.60 = 35,571.20/x
  3. Step 3: Cross multiply
    124,312.40x = 186,468.60 × 35,571.20
  4. Step 4: Simplify right side
    124,312.40x = 6,632,911,864.32
  5. Step 5: Solve for x
    x = 6,632,911,864.32/124,312.40
  6. Step 6: Final answer
    x = 53,356.80

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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.