Home / 185,317.06-255,737.64-100,434.10

Finding the Fourth Proportional to 185,317.06, 255,737.64 and 100,434.10

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Solution

The fourth proportional to 185,317.06, 255,737.64 and 100,434.10 is: 138,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,317.06 : 255,737.64 = 100,434.10 : x
  2. Step 2: Convert to fraction form
    185,317.06/255,737.64 = 100,434.10/x
  3. Step 3: Cross multiply
    185,317.06x = 255,737.64 × 100,434.10
  4. Step 4: Simplify right side
    185,317.06x = 25,684,779,709.52
  5. Step 5: Solve for x
    x = 25,684,779,709.52/185,317.06
  6. Step 6: Final answer
    x = 138,599.11

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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.