Home / 140,526.40-193,926.48-76,870.08

Finding the Fourth Proportional to 140,526.40, 193,926.48 and 76,870.08

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Solution

The fourth proportional to 140,526.40, 193,926.48 and 76,870.08 is: 106,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,526.40 : 193,926.48 = 76,870.08 : x
  2. Step 2: Convert to fraction form
    140,526.40/193,926.48 = 76,870.08/x
  3. Step 3: Cross multiply
    140,526.40x = 193,926.48 × 76,870.08
  4. Step 4: Simplify right side
    140,526.40x = 14,907,144,031.72
  5. Step 5: Solve for x
    x = 14,907,144,031.72/140,526.40
  6. Step 6: Final answer
    x = 106,080.74

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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.