Home / 351,477.03-527,215.35-85,237.50

Finding the Fourth Proportional to 351,477.03, 527,215.35 and 85,237.50

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Solution

The fourth proportional to 351,477.03, 527,215.35 and 85,237.50 is: 127,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,477.03 : 527,215.35 = 85,237.50 : x
  2. Step 2: Convert to fraction form
    351,477.03/527,215.35 = 85,237.50/x
  3. Step 3: Cross multiply
    351,477.03x = 527,215.35 × 85,237.50
  4. Step 4: Simplify right side
    351,477.03x = 44,938,518,395.63
  5. Step 5: Solve for x
    x = 44,938,518,395.63/351,477.03
  6. Step 6: Final answer
    x = 127,856.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.