Home / 124,274.95-186,228.10-91,281.67

Finding the Fourth Proportional to 124,274.95, 186,228.10 and 91,281.67

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Solution

The fourth proportional to 124,274.95, 186,228.10 and 91,281.67 is: 136,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.95 : 186,228.10 = 91,281.67 : x
  2. Step 2: Convert to fraction form
    124,274.95/186,228.10 = 91,281.67/x
  3. Step 3: Cross multiply
    124,274.95x = 186,228.10 × 91,281.67
  4. Step 4: Simplify right side
    124,274.95x = 16,999,211,968.93
  5. Step 5: Solve for x
    x = 16,999,211,968.93/124,274.95
  6. Step 6: Final answer
    x = 136,787.12

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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.