Home / 287,044.08-430,662.98-127,098.18

Finding the Fourth Proportional to 287,044.08, 430,662.98 and 127,098.18

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Solution

The fourth proportional to 287,044.08, 430,662.98 and 127,098.18 is: 190,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,044.08 : 430,662.98 = 127,098.18 : x
  2. Step 2: Convert to fraction form
    287,044.08/430,662.98 = 127,098.18/x
  3. Step 3: Cross multiply
    287,044.08x = 430,662.98 × 127,098.18
  4. Step 4: Simplify right side
    287,044.08x = 54,736,480,951.38
  5. Step 5: Solve for x
    x = 54,736,480,951.38/287,044.08
  6. Step 6: Final answer
    x = 190,690.16

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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.