Home / 153,435.83-211,684.14-153,199.28

Finding the Fourth Proportional to 153,435.83, 211,684.14 and 153,199.28

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Solution

The fourth proportional to 153,435.83, 211,684.14 and 153,199.28 is: 211,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,435.83 : 211,684.14 = 153,199.28 : x
  2. Step 2: Convert to fraction form
    153,435.83/211,684.14 = 153,199.28/x
  3. Step 3: Cross multiply
    153,435.83x = 211,684.14 × 153,199.28
  4. Step 4: Simplify right side
    153,435.83x = 32,429,858,364.63
  5. Step 5: Solve for x
    x = 32,429,858,364.63/153,435.83
  6. Step 6: Final answer
    x = 211,357.80

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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.