Home / 109,256.16-163,887.48-42,693.60

Finding the Fourth Proportional to 109,256.16, 163,887.48 and 42,693.60

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Solution

The fourth proportional to 109,256.16, 163,887.48 and 42,693.60 is: 64,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256.16 : 163,887.48 = 42,693.60 : x
  2. Step 2: Convert to fraction form
    109,256.16/163,887.48 = 42,693.60/x
  3. Step 3: Cross multiply
    109,256.16x = 163,887.48 × 42,693.60
  4. Step 4: Simplify right side
    109,256.16x = 6,996,946,516.13
  5. Step 5: Solve for x
    x = 6,996,946,516.13/109,256.16
  6. Step 6: Final answer
    x = 64,041.67

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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.