Home / 118,106.04-162,886.05-99,798.84

Finding the Fourth Proportional to 118,106.04, 162,886.05 and 99,798.84

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Solution

The fourth proportional to 118,106.04, 162,886.05 and 99,798.84 is: 137,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106.04 : 162,886.05 = 99,798.84 : x
  2. Step 2: Convert to fraction form
    118,106.04/162,886.05 = 99,798.84/x
  3. Step 3: Cross multiply
    118,106.04x = 162,886.05 × 99,798.84
  4. Step 4: Simplify right side
    118,106.04x = 16,255,838,842.18
  5. Step 5: Solve for x
    x = 16,255,838,842.18/118,106.04
  6. Step 6: Final answer
    x = 137,637.66

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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.