Home / 169,938.78-234,510.83-93,457.87

Finding the Fourth Proportional to 169,938.78, 234,510.83 and 93,457.87

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Solution

The fourth proportional to 169,938.78, 234,510.83 and 93,457.87 is: 128,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,938.78 : 234,510.83 = 93,457.87 : x
  2. Step 2: Convert to fraction form
    169,938.78/234,510.83 = 93,457.87/x
  3. Step 3: Cross multiply
    169,938.78x = 234,510.83 × 93,457.87
  4. Step 4: Simplify right side
    169,938.78x = 21,916,882,943.36
  5. Step 5: Solve for x
    x = 21,916,882,943.36/169,938.78
  6. Step 6: Final answer
    x = 128,969.29

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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.