Home / 127,113.51-175,412.48-70,529.07

Finding the Fourth Proportional to 127,113.51, 175,412.48 and 70,529.07

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Solution

The fourth proportional to 127,113.51, 175,412.48 and 70,529.07 is: 97,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.51 : 175,412.48 = 70,529.07 : x
  2. Step 2: Convert to fraction form
    127,113.51/175,412.48 = 70,529.07/x
  3. Step 3: Cross multiply
    127,113.51x = 175,412.48 × 70,529.07
  4. Step 4: Simplify right side
    127,113.51x = 12,371,678,728.15
  5. Step 5: Solve for x
    x = 12,371,678,728.15/127,113.51
  6. Step 6: Final answer
    x = 97,327.80

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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.