Home / 238,110.16-328,581.48-130,680.40

Finding the Fourth Proportional to 238,110.16, 328,581.48 and 130,680.40

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Solution

The fourth proportional to 238,110.16, 328,581.48 and 130,680.40 is: 180,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,110.16 : 328,581.48 = 130,680.40 : x
  2. Step 2: Convert to fraction form
    238,110.16/328,581.48 = 130,680.40/x
  3. Step 3: Cross multiply
    238,110.16x = 328,581.48 × 130,680.40
  4. Step 4: Simplify right side
    238,110.16x = 42,939,159,238.99
  5. Step 5: Solve for x
    x = 42,939,159,238.99/238,110.16
  6. Step 6: Final answer
    x = 180,333.17

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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.