Home / 238,547.10-329,203.65-131,125.30

Finding the Fourth Proportional to 238,547.10, 329,203.65 and 131,125.30

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Solution

The fourth proportional to 238,547.10, 329,203.65 and 131,125.30 is: 180,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,547.10 : 329,203.65 = 131,125.30 : x
  2. Step 2: Convert to fraction form
    238,547.10/329,203.65 = 131,125.30/x
  3. Step 3: Cross multiply
    238,547.10x = 329,203.65 × 131,125.30
  4. Step 4: Simplify right side
    238,547.10x = 43,166,927,367.35
  5. Step 5: Solve for x
    x = 43,166,927,367.35/238,547.10
  6. Step 6: Final answer
    x = 180,957.67

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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.