Home / 104,297.04-156,284.64-70,430.40

Finding the Fourth Proportional to 104,297.04, 156,284.64 and 70,430.40

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Solution

The fourth proportional to 104,297.04, 156,284.64 and 70,430.40 is: 105,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,297.04 : 156,284.64 = 70,430.40 : x
  2. Step 2: Convert to fraction form
    104,297.04/156,284.64 = 70,430.40/x
  3. Step 3: Cross multiply
    104,297.04x = 156,284.64 × 70,430.40
  4. Step 4: Simplify right side
    104,297.04x = 11,007,189,709.06
  5. Step 5: Solve for x
    x = 11,007,189,709.06/104,297.04
  6. Step 6: Final answer
    x = 105,536.93

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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.