Home / 178,206.06-245,931.75-97,640.58

Finding the Fourth Proportional to 178,206.06, 245,931.75 and 97,640.58

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Solution

The fourth proportional to 178,206.06, 245,931.75 and 97,640.58 is: 134,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,206.06 : 245,931.75 = 97,640.58 : x
  2. Step 2: Convert to fraction form
    178,206.06/245,931.75 = 97,640.58/x
  3. Step 3: Cross multiply
    178,206.06x = 245,931.75 × 97,640.58
  4. Step 4: Simplify right side
    178,206.06x = 24,012,918,710.42
  5. Step 5: Solve for x
    x = 24,012,918,710.42/178,206.06
  6. Step 6: Final answer
    x = 134,748.05

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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.