Home / 118,224.15-163,155.93-64,510.08

Finding the Fourth Proportional to 118,224.15, 163,155.93 and 64,510.08

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Solution

The fourth proportional to 118,224.15, 163,155.93 and 64,510.08 is: 89,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,224.15 : 163,155.93 = 64,510.08 : x
  2. Step 2: Convert to fraction form
    118,224.15/163,155.93 = 64,510.08/x
  3. Step 3: Cross multiply
    118,224.15x = 163,155.93 × 64,510.08
  4. Step 4: Simplify right side
    118,224.15x = 10,525,202,096.77
  5. Step 5: Solve for x
    x = 10,525,202,096.77/118,224.15
  6. Step 6: Final answer
    x = 89,027.51

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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.