Home / 169,161.33-253,040.73-128,875.49

Finding the Fourth Proportional to 169,161.33, 253,040.73 and 128,875.49

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Solution

The fourth proportional to 169,161.33, 253,040.73 and 128,875.49 is: 192,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,161.33 : 253,040.73 = 128,875.49 : x
  2. Step 2: Convert to fraction form
    169,161.33/253,040.73 = 128,875.49/x
  3. Step 3: Cross multiply
    169,161.33x = 253,040.73 × 128,875.49
  4. Step 4: Simplify right side
    169,161.33x = 32,610,748,068.71
  5. Step 5: Solve for x
    x = 32,610,748,068.71/169,161.33
  6. Step 6: Final answer
    x = 192,778.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.