Home / 152,680.24-210,688.08-88,152.04

Finding the Fourth Proportional to 152,680.24, 210,688.08 and 88,152.04

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Solution

The fourth proportional to 152,680.24, 210,688.08 and 88,152.04 is: 121,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,680.24 : 210,688.08 = 88,152.04 : x
  2. Step 2: Convert to fraction form
    152,680.24/210,688.08 = 88,152.04/x
  3. Step 3: Cross multiply
    152,680.24x = 210,688.08 × 88,152.04
  4. Step 4: Simplify right side
    152,680.24x = 18,572,584,055.68
  5. Step 5: Solve for x
    x = 18,572,584,055.68/152,680.24
  6. Step 6: Final answer
    x = 121,643.67

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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.