Home / 238,158.02-328,640.01-130,710.98

Finding the Fourth Proportional to 238,158.02, 328,640.01 and 130,710.98

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Solution

The fourth proportional to 238,158.02, 328,640.01 and 130,710.98 is: 180,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,158.02 : 328,640.01 = 130,710.98 : x
  2. Step 2: Convert to fraction form
    238,158.02/328,640.01 = 130,710.98/x
  3. Step 3: Cross multiply
    238,158.02x = 328,640.01 × 130,710.98
  4. Step 4: Simplify right side
    238,158.02x = 42,956,857,774.31
  5. Step 5: Solve for x
    x = 42,956,857,774.31/238,158.02
  6. Step 6: Final answer
    x = 180,371.24

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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.