Home / 353,122.05-487,312.53-191,973.57

Finding the Fourth Proportional to 353,122.05, 487,312.53 and 191,973.57

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Solution

The fourth proportional to 353,122.05, 487,312.53 and 191,973.57 is: 264,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,122.05 : 487,312.53 = 191,973.57 : x
  2. Step 2: Convert to fraction form
    353,122.05/487,312.53 = 191,973.57/x
  3. Step 3: Cross multiply
    353,122.05x = 487,312.53 × 191,973.57
  4. Step 4: Simplify right side
    353,122.05x = 93,551,126,089.83
  5. Step 5: Solve for x
    x = 93,551,126,089.83/353,122.05
  6. Step 6: Final answer
    x = 264,925.76

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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.