Home / 291,030.06-401,617.53-163,705.77

Finding the Fourth Proportional to 291,030.06, 401,617.53 and 163,705.77

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Solution

The fourth proportional to 291,030.06, 401,617.53 and 163,705.77 is: 225,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,030.06 : 401,617.53 = 163,705.77 : x
  2. Step 2: Convert to fraction form
    291,030.06/401,617.53 = 163,705.77/x
  3. Step 3: Cross multiply
    291,030.06x = 401,617.53 × 163,705.77
  4. Step 4: Simplify right side
    291,030.06x = 65,747,106,994.15
  5. Step 5: Solve for x
    x = 65,747,106,994.15/291,030.06
  6. Step 6: Final answer
    x = 225,911.74

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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.