Home / 153,962.48-212,483.76-93,539.18

Finding the Fourth Proportional to 153,962.48, 212,483.76 and 93,539.18

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Solution

The fourth proportional to 153,962.48, 212,483.76 and 93,539.18 is: 129,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,962.48 : 212,483.76 = 93,539.18 : x
  2. Step 2: Convert to fraction form
    153,962.48/212,483.76 = 93,539.18/x
  3. Step 3: Cross multiply
    153,962.48x = 212,483.76 × 93,539.18
  4. Step 4: Simplify right side
    153,962.48x = 19,875,556,673.72
  5. Step 5: Solve for x
    x = 19,875,556,673.72/153,962.48
  6. Step 6: Final answer
    x = 129,093.51

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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.