Home / 175,666.65-242,421.64-103,070.77

Finding the Fourth Proportional to 175,666.65, 242,421.64 and 103,070.77

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Solution

The fourth proportional to 175,666.65, 242,421.64 and 103,070.77 is: 142,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,666.65 : 242,421.64 = 103,070.77 : x
  2. Step 2: Convert to fraction form
    175,666.65/242,421.64 = 103,070.77/x
  3. Step 3: Cross multiply
    175,666.65x = 242,421.64 × 103,070.77
  4. Step 4: Simplify right side
    175,666.65x = 24,986,585,099.46
  5. Step 5: Solve for x
    x = 24,986,585,099.46/175,666.65
  6. Step 6: Final answer
    x = 142,238.64

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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.