Home / 134,840.03-186,000.68-86,424.71

Finding the Fourth Proportional to 134,840.03, 186,000.68 and 86,424.71

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Solution

The fourth proportional to 134,840.03, 186,000.68 and 86,424.71 is: 119,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.03 : 186,000.68 = 86,424.71 : x
  2. Step 2: Convert to fraction form
    134,840.03/186,000.68 = 86,424.71/x
  3. Step 3: Cross multiply
    134,840.03x = 186,000.68 × 86,424.71
  4. Step 4: Simplify right side
    134,840.03x = 16,075,053,466.68
  5. Step 5: Solve for x
    x = 16,075,053,466.68/134,840.03
  6. Step 6: Final answer
    x = 119,215.74

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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.