Home / 189,748.55-261,973.77-118,233.65

Finding the Fourth Proportional to 189,748.55, 261,973.77 and 118,233.65

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Solution

The fourth proportional to 189,748.55, 261,973.77 and 118,233.65 is: 163,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,748.55 : 261,973.77 = 118,233.65 : x
  2. Step 2: Convert to fraction form
    189,748.55/261,973.77 = 118,233.65/x
  3. Step 3: Cross multiply
    189,748.55x = 261,973.77 × 118,233.65
  4. Step 4: Simplify right side
    189,748.55x = 30,974,115,031.36
  5. Step 5: Solve for x
    x = 30,974,115,031.36/189,748.55
  6. Step 6: Final answer
    x = 163,237.69

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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.