Home / 245,381.02-367,809.09-112,061.50

Finding the Fourth Proportional to 245,381.02, 367,809.09 and 112,061.50

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Solution

The fourth proportional to 245,381.02, 367,809.09 and 112,061.50 is: 167,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,381.02 : 367,809.09 = 112,061.50 : x
  2. Step 2: Convert to fraction form
    245,381.02/367,809.09 = 112,061.50/x
  3. Step 3: Cross multiply
    245,381.02x = 367,809.09 × 112,061.50
  4. Step 4: Simplify right side
    245,381.02x = 41,217,238,339.04
  5. Step 5: Solve for x
    x = 41,217,238,339.04/245,381.02
  6. Step 6: Final answer
    x = 167,972.40

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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.