Home / 190,461.32-262,838.95-109,905.60

Finding the Fourth Proportional to 190,461.32, 262,838.95 and 109,905.60

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Solution

The fourth proportional to 190,461.32, 262,838.95 and 109,905.60 is: 151,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,461.32 : 262,838.95 = 109,905.60 : x
  2. Step 2: Convert to fraction form
    190,461.32/262,838.95 = 109,905.60/x
  3. Step 3: Cross multiply
    190,461.32x = 262,838.95 × 109,905.60
  4. Step 4: Simplify right side
    190,461.32x = 28,887,472,228.36
  5. Step 5: Solve for x
    x = 28,887,472,228.36/190,461.32
  6. Step 6: Final answer
    x = 151,671.07

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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.