Home / 152,881.60-211,076.53-99,319.27

Finding the Fourth Proportional to 152,881.60, 211,076.53 and 99,319.27

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Solution

The fourth proportional to 152,881.60, 211,076.53 and 99,319.27 is: 137,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881.60 : 211,076.53 = 99,319.27 : x
  2. Step 2: Convert to fraction form
    152,881.60/211,076.53 = 99,319.27/x
  3. Step 3: Cross multiply
    152,881.60x = 211,076.53 × 99,319.27
  4. Step 4: Simplify right side
    152,881.60x = 20,963,966,097.74
  5. Step 5: Solve for x
    x = 20,963,966,097.74/152,881.60
  6. Step 6: Final answer
    x = 137,125.50

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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.