Home / 178,143.05-245,828.63-97,570.93

Finding the Fourth Proportional to 178,143.05, 245,828.63 and 97,570.93

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Solution

The fourth proportional to 178,143.05, 245,828.63 and 97,570.93 is: 134,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,143.05 : 245,828.63 = 97,570.93 : x
  2. Step 2: Convert to fraction form
    178,143.05/245,828.63 = 97,570.93/x
  3. Step 3: Cross multiply
    178,143.05x = 245,828.63 × 97,570.93
  4. Step 4: Simplify right side
    178,143.05x = 23,985,728,049.73
  5. Step 5: Solve for x
    x = 23,985,728,049.73/178,143.05
  6. Step 6: Final answer
    x = 134,643.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.