Home / 317,868.48-438,666.24-174,637.76

Finding the Fourth Proportional to 317,868.48, 438,666.24 and 174,637.76

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Solution

The fourth proportional to 317,868.48, 438,666.24 and 174,637.76 is: 241,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,868.48 : 438,666.24 = 174,637.76 : x
  2. Step 2: Convert to fraction form
    317,868.48/438,666.24 = 174,637.76/x
  3. Step 3: Cross multiply
    317,868.48x = 438,666.24 × 174,637.76
  4. Step 4: Simplify right side
    317,868.48x = 76,607,689,541.22
  5. Step 5: Solve for x
    x = 76,607,689,541.22/317,868.48
  6. Step 6: Final answer
    x = 241,004.36

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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.