Home / 134,386.77-185,461.39-77,035.63

Finding the Fourth Proportional to 134,386.77, 185,461.39 and 77,035.63

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Solution

The fourth proportional to 134,386.77, 185,461.39 and 77,035.63 is: 106,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,386.77 : 185,461.39 = 77,035.63 : x
  2. Step 2: Convert to fraction form
    134,386.77/185,461.39 = 77,035.63/x
  3. Step 3: Cross multiply
    134,386.77x = 185,461.39 × 77,035.63
  4. Step 4: Simplify right side
    134,386.77x = 14,287,135,019.33
  5. Step 5: Solve for x
    x = 14,287,135,019.33/134,386.77
  6. Step 6: Final answer
    x = 106,313.55

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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.