Home / 201,386.88-302,060.79-61,146.72

Finding the Fourth Proportional to 201,386.88, 302,060.79 and 61,146.72

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Solution

The fourth proportional to 201,386.88, 302,060.79 and 61,146.72 is: 91,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,386.88 : 302,060.79 = 61,146.72 : x
  2. Step 2: Convert to fraction form
    201,386.88/302,060.79 = 61,146.72/x
  3. Step 3: Cross multiply
    201,386.88x = 302,060.79 × 61,146.72
  4. Step 4: Simplify right side
    201,386.88x = 18,470,026,549.11
  5. Step 5: Solve for x
    x = 18,470,026,549.11/201,386.88
  6. Step 6: Final answer
    x = 91,714.15

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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.