Home / 190,192.64-262,513.12-118,655.92

Finding the Fourth Proportional to 190,192.64, 262,513.12 and 118,655.92

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Solution

The fourth proportional to 190,192.64, 262,513.12 and 118,655.92 is: 163,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,192.64 : 262,513.12 = 118,655.92 : x
  2. Step 2: Convert to fraction form
    190,192.64/262,513.12 = 118,655.92/x
  3. Step 3: Cross multiply
    190,192.64x = 262,513.12 × 118,655.92
  4. Step 4: Simplify right side
    190,192.64x = 31,148,735,765.67
  5. Step 5: Solve for x
    x = 31,148,735,765.67/190,192.64
  6. Step 6: Final answer
    x = 163,774.66

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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.