Home / 318,103.34-438,971.45-174,862.35

Finding the Fourth Proportional to 318,103.34, 438,971.45 and 174,862.35

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Solution

The fourth proportional to 318,103.34, 438,971.45 and 174,862.35 is: 241,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,103.34 : 438,971.45 = 174,862.35 : x
  2. Step 2: Convert to fraction form
    318,103.34/438,971.45 = 174,862.35/x
  3. Step 3: Cross multiply
    318,103.34x = 438,971.45 × 174,862.35
  4. Step 4: Simplify right side
    318,103.34x = 76,759,578,455.60
  5. Step 5: Solve for x
    x = 76,759,578,455.60/318,103.34
  6. Step 6: Final answer
    x = 241,303.91

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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.