Home / 317,904.03-438,707.21-174,663.72

Finding the Fourth Proportional to 317,904.03, 438,707.21 and 174,663.72

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Solution

The fourth proportional to 317,904.03, 438,707.21 and 174,663.72 is: 241,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,904.03 : 438,707.21 = 174,663.72 : x
  2. Step 2: Convert to fraction form
    317,904.03/438,707.21 = 174,663.72/x
  3. Step 3: Cross multiply
    317,904.03x = 438,707.21 × 174,663.72
  4. Step 4: Simplify right side
    317,904.03x = 76,626,232,416.10
  5. Step 5: Solve for x
    x = 76,626,232,416.10/317,904.03
  6. Step 6: Final answer
    x = 241,035.74

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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.