Home / 177,688.18-245,210.11-97,116.66

Finding the Fourth Proportional to 177,688.18, 245,210.11 and 97,116.66

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Solution

The fourth proportional to 177,688.18, 245,210.11 and 97,116.66 is: 134,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,688.18 : 245,210.11 = 97,116.66 : x
  2. Step 2: Convert to fraction form
    177,688.18/245,210.11 = 97,116.66/x
  3. Step 3: Cross multiply
    177,688.18x = 245,210.11 × 97,116.66
  4. Step 4: Simplify right side
    177,688.18x = 23,813,986,881.43
  5. Step 5: Solve for x
    x = 23,813,986,881.43/177,688.18
  6. Step 6: Final answer
    x = 134,021.22

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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.