Home / 261,904.19-361,457.64-147,182.67

Finding the Fourth Proportional to 261,904.19, 361,457.64 and 147,182.67

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Solution

The fourth proportional to 261,904.19, 361,457.64 and 147,182.67 is: 203,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,904.19 : 361,457.64 = 147,182.67 : x
  2. Step 2: Convert to fraction form
    261,904.19/361,457.64 = 147,182.67/x
  3. Step 3: Cross multiply
    261,904.19x = 361,457.64 × 147,182.67
  4. Step 4: Simplify right side
    261,904.19x = 53,200,300,547.10
  5. Step 5: Solve for x
    x = 53,200,300,547.10/261,904.19
  6. Step 6: Final answer
    x = 203,128.87

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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.