Home / 185,557.02-256,068.71-100,674.09

Finding the Fourth Proportional to 185,557.02, 256,068.71 and 100,674.09

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Solution

The fourth proportional to 185,557.02, 256,068.71 and 100,674.09 is: 138,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,557.02 : 256,068.71 = 100,674.09 : x
  2. Step 2: Convert to fraction form
    185,557.02/256,068.71 = 100,674.09/x
  3. Step 3: Cross multiply
    185,557.02x = 256,068.71 × 100,674.09
  4. Step 4: Simplify right side
    185,557.02x = 25,779,483,853.35
  5. Step 5: Solve for x
    x = 25,779,483,853.35/185,557.02
  6. Step 6: Final answer
    x = 138,930.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.