Home / 153,595.10-211,970.94-93,171.44

Finding the Fourth Proportional to 153,595.10, 211,970.94 and 93,171.44

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Solution

The fourth proportional to 153,595.10, 211,970.94 and 93,171.44 is: 128,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,595.10 : 211,970.94 = 93,171.44 : x
  2. Step 2: Convert to fraction form
    153,595.10/211,970.94 = 93,171.44/x
  3. Step 3: Cross multiply
    153,595.10x = 211,970.94 × 93,171.44
  4. Step 4: Simplify right side
    153,595.10x = 19,749,637,717.95
  5. Step 5: Solve for x
    x = 19,749,637,717.95/153,595.10
  6. Step 6: Final answer
    x = 128,582.47

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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.