Home / 161,603.48-242,368.76-61,728.06

Finding the Fourth Proportional to 161,603.48, 242,368.76 and 61,728.06

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Solution

The fourth proportional to 161,603.48, 242,368.76 and 61,728.06 is: 92,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,603.48 : 242,368.76 = 61,728.06 : x
  2. Step 2: Convert to fraction form
    161,603.48/242,368.76 = 61,728.06/x
  3. Step 3: Cross multiply
    161,603.48x = 242,368.76 × 61,728.06
  4. Step 4: Simplify right side
    161,603.48x = 14,960,953,359.41
  5. Step 5: Solve for x
    x = 14,960,953,359.41/161,603.48
  6. Step 6: Final answer
    x = 92,578.16

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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.