Home / 238,141.16-328,633.65-130,713.02

Finding the Fourth Proportional to 238,141.16, 328,633.65 and 130,713.02

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Solution

The fourth proportional to 238,141.16, 328,633.65 and 130,713.02 is: 180,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,141.16 : 328,633.65 = 130,713.02 : x
  2. Step 2: Convert to fraction form
    238,141.16/328,633.65 = 130,713.02/x
  3. Step 3: Cross multiply
    238,141.16x = 328,633.65 × 130,713.02
  4. Step 4: Simplify right side
    238,141.16x = 42,956,697,686.71
  5. Step 5: Solve for x
    x = 42,956,697,686.71/238,141.16
  6. Step 6: Final answer
    x = 180,383.34

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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.