Home / 109,967.04-151,746.89-64,646.93

Finding the Fourth Proportional to 109,967.04, 151,746.89 and 64,646.93

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Solution

The fourth proportional to 109,967.04, 151,746.89 and 64,646.93 is: 89,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,967.04 : 151,746.89 = 64,646.93 : x
  2. Step 2: Convert to fraction form
    109,967.04/151,746.89 = 64,646.93/x
  3. Step 3: Cross multiply
    109,967.04x = 151,746.89 × 64,646.93
  4. Step 4: Simplify right side
    109,967.04x = 9,809,970,631.68
  5. Step 5: Solve for x
    x = 9,809,970,631.68/109,967.04
  6. Step 6: Final answer
    x = 89,208.28

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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.