Home / 291,069.48-401,674.23-163,746.12

Finding the Fourth Proportional to 291,069.48, 401,674.23 and 163,746.12

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Solution

The fourth proportional to 291,069.48, 401,674.23 and 163,746.12 is: 225,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,069.48 : 401,674.23 = 163,746.12 : x
  2. Step 2: Convert to fraction form
    291,069.48/401,674.23 = 163,746.12/x
  3. Step 3: Cross multiply
    291,069.48x = 401,674.23 × 163,746.12
  4. Step 4: Simplify right side
    291,069.48x = 65,772,596,666.49
  5. Step 5: Solve for x
    x = 65,772,596,666.49/291,069.48
  6. Step 6: Final answer
    x = 225,968.72

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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.