Home / 105,206.37-157,809.45-26,320.53

Finding the Fourth Proportional to 105,206.37, 157,809.45 and 26,320.53

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Solution

The fourth proportional to 105,206.37, 157,809.45 and 26,320.53 is: 39,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,206.37 : 157,809.45 = 26,320.53 : x
  2. Step 2: Convert to fraction form
    105,206.37/157,809.45 = 26,320.53/x
  3. Step 3: Cross multiply
    105,206.37x = 157,809.45 × 26,320.53
  4. Step 4: Simplify right side
    105,206.37x = 4,153,628,363.01
  5. Step 5: Solve for x
    x = 4,153,628,363.01/105,206.37
  6. Step 6: Final answer
    x = 39,480.77

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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.