Home / 170,056.08-255,127.95-70,231.68

Finding the Fourth Proportional to 170,056.08, 255,127.95 and 70,231.68

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Solution

The fourth proportional to 170,056.08, 255,127.95 and 70,231.68 is: 105,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,056.08 : 255,127.95 = 70,231.68 : x
  2. Step 2: Convert to fraction form
    170,056.08/255,127.95 = 70,231.68/x
  3. Step 3: Cross multiply
    170,056.08x = 255,127.95 × 70,231.68
  4. Step 4: Simplify right side
    170,056.08x = 17,918,064,543.46
  5. Step 5: Solve for x
    x = 17,918,064,543.46/170,056.08
  6. Step 6: Final answer
    x = 105,365.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.