Home / 185,570.02-256,079.76-100,685.26

Finding the Fourth Proportional to 185,570.02, 256,079.76 and 100,685.26

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Solution

The fourth proportional to 185,570.02, 256,079.76 and 100,685.26 is: 138,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,570.02 : 256,079.76 = 100,685.26 : x
  2. Step 2: Convert to fraction form
    185,570.02/256,079.76 = 100,685.26/x
  3. Step 3: Cross multiply
    185,570.02x = 256,079.76 × 100,685.26
  4. Step 4: Simplify right side
    185,570.02x = 25,783,457,216.34
  5. Step 5: Solve for x
    x = 25,783,457,216.34/185,570.02
  6. Step 6: Final answer
    x = 138,941.93

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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.