Home / 162,485.04-243,637-50,133.36

Finding the Fourth Proportional to 162,485.04, 243,637 and 50,133.36

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Solution

The fourth proportional to 162,485.04, 243,637 and 50,133.36 is: 75,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,485.04 : 243,637 = 50,133.36 : x
  2. Step 2: Convert to fraction form
    162,485.04/243,637 = 50,133.36/x
  3. Step 3: Cross multiply
    162,485.04x = 243,637 × 50,133.36
  4. Step 4: Simplify right side
    162,485.04x = 12,214,341,430.32
  5. Step 5: Solve for x
    x = 12,214,341,430.32/162,485.04
  6. Step 6: Final answer
    x = 75,172.10

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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.