Home / 115,275.30-159,095.43-67,547.67

Finding the Fourth Proportional to 115,275.30, 159,095.43 and 67,547.67

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Solution

The fourth proportional to 115,275.30, 159,095.43 and 67,547.67 is: 93,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,275.30 : 159,095.43 = 67,547.67 : x
  2. Step 2: Convert to fraction form
    115,275.30/159,095.43 = 67,547.67/x
  3. Step 3: Cross multiply
    115,275.30x = 159,095.43 × 67,547.67
  4. Step 4: Simplify right side
    115,275.30x = 10,746,525,604.15
  5. Step 5: Solve for x
    x = 10,746,525,604.15/115,275.30
  6. Step 6: Final answer
    x = 93,224.88

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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.