Home / 148,495.16-222,210.64-128,573.38

Finding the Fourth Proportional to 148,495.16, 222,210.64 and 128,573.38

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Solution

The fourth proportional to 148,495.16, 222,210.64 and 128,573.38 is: 192,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,495.16 : 222,210.64 = 128,573.38 : x
  2. Step 2: Convert to fraction form
    148,495.16/222,210.64 = 128,573.38/x
  3. Step 3: Cross multiply
    148,495.16x = 222,210.64 × 128,573.38
  4. Step 4: Simplify right side
    148,495.16x = 28,570,373,056.76
  5. Step 5: Solve for x
    x = 28,570,373,056.76/148,495.16
  6. Step 6: Final answer
    x = 192,399.36

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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.