Home / 312,214.19-430,855.59-168,974.24

Finding the Fourth Proportional to 312,214.19, 430,855.59 and 168,974.24

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Solution

The fourth proportional to 312,214.19, 430,855.59 and 168,974.24 is: 233,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,214.19 : 430,855.59 = 168,974.24 : x
  2. Step 2: Convert to fraction form
    312,214.19/430,855.59 = 168,974.24/x
  3. Step 3: Cross multiply
    312,214.19x = 430,855.59 × 168,974.24
  4. Step 4: Simplify right side
    312,214.19x = 72,803,493,715.72
  5. Step 5: Solve for x
    x = 72,803,493,715.72/312,214.19
  6. Step 6: Final answer
    x = 233,184.45

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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.