Home / 318,018.18-438,875.61-174,783.30

Finding the Fourth Proportional to 318,018.18, 438,875.61 and 174,783.30

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Solution

The fourth proportional to 318,018.18, 438,875.61 and 174,783.30 is: 241,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,018.18 : 438,875.61 = 174,783.30 : x
  2. Step 2: Convert to fraction form
    318,018.18/438,875.61 = 174,783.30/x
  3. Step 3: Cross multiply
    318,018.18x = 438,875.61 × 174,783.30
  4. Step 4: Simplify right side
    318,018.18x = 76,708,127,405.31
  5. Step 5: Solve for x
    x = 76,708,127,405.31/318,018.18
  6. Step 6: Final answer
    x = 241,206.74

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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.