Home / 178,317.04-245,631.36-135,801.76

Finding the Fourth Proportional to 178,317.04, 245,631.36 and 135,801.76

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Solution

The fourth proportional to 178,317.04, 245,631.36 and 135,801.76 is: 187,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,317.04 : 245,631.36 = 135,801.76 : x
  2. Step 2: Convert to fraction form
    178,317.04/245,631.36 = 135,801.76/x
  3. Step 3: Cross multiply
    178,317.04x = 245,631.36 × 135,801.76
  4. Step 4: Simplify right side
    178,317.04x = 33,357,170,999.19
  5. Step 5: Solve for x
    x = 33,357,170,999.19/178,317.04
  6. Step 6: Final answer
    x = 187,066.65

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1.5x scale

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.