Home / 496,946.10-745,425.63-141,971.70

Finding the Fourth Proportional to 496,946.10, 745,425.63 and 141,971.70

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Solution

The fourth proportional to 496,946.10, 745,425.63 and 141,971.70 is: 212,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,946.10 : 745,425.63 = 141,971.70 : x
  2. Step 2: Convert to fraction form
    496,946.10/745,425.63 = 141,971.70/x
  3. Step 3: Cross multiply
    496,946.10x = 745,425.63 × 141,971.70
  4. Step 4: Simplify right side
    496,946.10x = 105,829,343,914.67
  5. Step 5: Solve for x
    x = 105,829,343,914.67/496,946.10
  6. Step 6: Final answer
    x = 212,959.40

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1.5x scale

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.