Home / 369,081.15-553,621.73-88,598.40

Finding the Fourth Proportional to 369,081.15, 553,621.73 and 88,598.40

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Solution

The fourth proportional to 369,081.15, 553,621.73 and 88,598.40 is: 132,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,081.15 : 553,621.73 = 88,598.40 : x
  2. Step 2: Convert to fraction form
    369,081.15/553,621.73 = 88,598.40/x
  3. Step 3: Cross multiply
    369,081.15x = 553,621.73 × 88,598.40
  4. Step 4: Simplify right side
    369,081.15x = 49,049,999,483.23
  5. Step 5: Solve for x
    x = 49,049,999,483.23/369,081.15
  6. Step 6: Final answer
    x = 132,897.60

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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.