Home / 350,621.20-525,931.80-101,328.40

Finding the Fourth Proportional to 350,621.20, 525,931.80 and 101,328.40

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Solution

The fourth proportional to 350,621.20, 525,931.80 and 101,328.40 is: 151,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,621.20 : 525,931.80 = 101,328.40 : x
  2. Step 2: Convert to fraction form
    350,621.20/525,931.80 = 101,328.40/x
  3. Step 3: Cross multiply
    350,621.20x = 525,931.80 × 101,328.40
  4. Step 4: Simplify right side
    350,621.20x = 53,291,827,803.12
  5. Step 5: Solve for x
    x = 53,291,827,803.12/350,621.20
  6. Step 6: Final answer
    x = 151,992.60

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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.