Home / 155,440.22-214,526.48-87,460.16

Finding the Fourth Proportional to 155,440.22, 214,526.48 and 87,460.16

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Solution

The fourth proportional to 155,440.22, 214,526.48 and 87,460.16 is: 120,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,440.22 : 214,526.48 = 87,460.16 : x
  2. Step 2: Convert to fraction form
    155,440.22/214,526.48 = 87,460.16/x
  3. Step 3: Cross multiply
    155,440.22x = 214,526.48 × 87,460.16
  4. Step 4: Simplify right side
    155,440.22x = 18,762,518,755.10
  5. Step 5: Solve for x
    x = 18,762,518,755.10/155,440.22
  6. Step 6: Final answer
    x = 120,705.69

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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.