Home / 162,547.70-243,837.95-61,320.35

Finding the Fourth Proportional to 162,547.70, 243,837.95 and 61,320.35

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Solution

The fourth proportional to 162,547.70, 243,837.95 and 61,320.35 is: 91,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,547.70 : 243,837.95 = 61,320.35 : x
  2. Step 2: Convert to fraction form
    162,547.70/243,837.95 = 61,320.35/x
  3. Step 3: Cross multiply
    162,547.70x = 243,837.95 × 61,320.35
  4. Step 4: Simplify right side
    162,547.70x = 14,952,226,911.49
  5. Step 5: Solve for x
    x = 14,952,226,911.49/162,547.70
  6. Step 6: Final answer
    x = 91,986.71

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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.