Home / 358,623.50-537,531.56-156,389.79

Finding the Fourth Proportional to 358,623.50, 537,531.56 and 156,389.79

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Solution

The fourth proportional to 358,623.50, 537,531.56 and 156,389.79 is: 234,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,623.50 : 537,531.56 = 156,389.79 : x
  2. Step 2: Convert to fraction form
    358,623.50/537,531.56 = 156,389.79/x
  3. Step 3: Cross multiply
    358,623.50x = 537,531.56 × 156,389.79
  4. Step 4: Simplify right side
    358,623.50x = 84,064,447,004.82
  5. Step 5: Solve for x
    x = 84,064,447,004.82/358,623.50
  6. Step 6: Final answer
    x = 234,408.64

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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.